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Finding the Fourth Proportional to 215,859.95, 297,888.66 and 119,067.51

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Solution

The fourth proportional to 215,859.95, 297,888.66 and 119,067.51 is: 164,314.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,859.95 : 297,888.66 = 119,067.51 : x
  2. Step 2: Convert to fraction form
    215,859.95/297,888.66 = 119,067.51/x
  3. Step 3: Cross multiply
    215,859.95x = 297,888.66 × 119,067.51
  4. Step 4: Simplify right side
    215,859.95x = 35,468,861,003.44
  5. Step 5: Solve for x
    x = 35,468,861,003.44/215,859.95
  6. Step 6: Final answer
    x = 164,314.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.